P

Inventor

CRAWFORD NEIL C

US5 patents
⚠️ This page may combine multiple inventors who share the name “CRAWFORD NEIL C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

FMC TECHNOLOGIES

3 patents
US6561521B2May 13, 2003

Metal-to-metal seal with soft metal insert

FMC TECHNOLOGIES58 citations95
US6926283B2Aug 9, 2005

Metal-to-metal sealing system

FMC TECHNOLOGIES19 citations91
US6869080B2Mar 22, 2005

Metal-to-metal sealing system

FMC TECHNOLOGIES24 citations91

FMC CORP

1 patent
US5782297AJul 21, 1998

Retrieval tool for back pressure valve and tree test plug

FMC CORP34 citations90

(unassigned)

1 patent
US5474124ADec 12, 1995

Wellhead retrieval tool assembly

15 citations69